Inside Information : Update on the Progress of the Initial Public Offering of A Shares by Shenzhen Rayitek

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

This announcement is for information purposes only and does not constitute an invitation or offer to acquire, purchase or subscribe for the securities of Shenzhen Rayitek Hi-Tech Film Company Limited*(深

圳瑞華泰薄膜科技股份有限公司).

CHINA AEROSPACE INTERNATIONAL HOLDINGS LIMITED

中國航天國際控股有限公司

(Incorporated in Hong Kong with limited liability)

(Stock Code: 31)

INSIDE INFORMATION

UPDATE ON THE PROGRESS OF THE INITIAL PUBLIC

OFFERING OF A SHARES BY SHENZHEN RAYITEK

The announcement is made pursuant to Rule 13.09 of the Listing Rules and the provisions under Part XIVA of the Securities and Futures Ordinance.

Further to the announcement of the Company dated 17 March 2021, the Board of the Company announces that, it has been informed by Shenzhen Rayitek Hi-Tech Film Company Limited*(深圳瑞華泰薄膜科技 股份有限公司) ("Shenzhen Rayitek"), a 31.17% associate of the Company, that it has published a prospectus and a price inquiry announcement on its proposed listing on Sci-Tech Innovation Board of Shanghai Stock Exchange on 9 April 2021.

Shenzhen Rayitek is seeking interested investors to present their offers to acquire shares by way of online application via the trading system of Shanghai Stock Exchange and the offline application platform of Shanghai Stock Exchange. Shares will also be placed to strategic investors. The offer price will be finalized by Shenzhen Rayitek, the sponsors and underwriters and an announcement will be made on or about 16 April 2021.

The preliminary offering size is 45,000,000 new shares, representing approximately 25% of the enlarged issued share capital of Shenzhen Rayitek. It is anticipated that the Company's interest in Shenzhen Rayitek will be diluted from 31.17% to approximately 23.38%, subject to final confirmation.

Shareholders and public investors should note that there is no assurance as to when and whether the listing of Shenzhen Rayitek may or may not complete and public investors are advised to exercise caution when dealing in the securities of the Company.

By order of the Board

Zhou Limin

Chairman & Executive Director

Hong Kong, 9 April 2021

-1-

At the date of this announcement, the Board of Directors of the Company comprises:

-2-